Wallago attu, one of the Vulnerable (VU) Freshwater Fishes of Bangladesh

A vulnerable (VU) species is one which has been categorized by the International Union for Conservation of Nature (IUCN) as facing a high risk of endangerment in the wild. It is the third highest risk category after Critically Endangered (CR) and Endangered …read more

An endangered (EN) species is one which has been categorized by the International Union for Conservation of Nature (IUCN) as facing a high risk of extinction in the wild. It is the second highest risk category after critically endangered (CR) assigned by the IUCN …read more

A critically endangered (CR) species is one which has been categorized by the International Union for Conservation of Nature (IUCN) as facing a very high risk of extinction in the wild. It is the …read more